SOLUTION: If I have a 90 average and I get a 58 and a 72 on quizzes worth 55 percent of my grade what is my new average?

Algebra ->  Average -> SOLUTION: If I have a 90 average and I get a 58 and a 72 on quizzes worth 55 percent of my grade what is my new average?       Log On


   

Question 937670: If I have a 90 average and I get a 58 and a 72 on quizzes worth 55 percent of my grade what is my new average?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
assume that the score of 90 is worth 45% of your grade:
100 - 55 = 45%
---
g = 0.45*90 + 0.55*((58+72)/2)
g = 76.25%
---
Free algebra tutoring live chat:
https://sooeet.com/chat.php?gn=algebra
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations with quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
---